20279952

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 74280960

約数和(自身を除く): 54001008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 31, 33, 36, 42, 44, 48, 56, 59, 62, 63, 66, 72, 77, 84, 88, 93, 99, 112, 118, 124, 126, 132, 144, 154, 168, 176, 177, 186, 198, 217, 231, 236, 248, 252, 264, 279, 308, 336, 341, 354, 372, 396, 413, 434, 462, 472, 496, 504, 528, 531, 558, 616, 649, 651, 682, 693, 708, 744, 792, 826, 868, 924, 944, 1008, 1023, 1062, 1116, 1232, 1239, 1298, 1302, 1364, 1386, 1416, 1488, 1584, 1652, 1736, 1829, 1848, 1947, 1953, 2046, 2124, 2232, 2387, 2478, 2596, 2604, 2728, 2772, 2832, 3069, 3304, 3472, 3658, 3696, 3717, 3894, 3906, 4092, 4248, 4464, 4543, 4774, 4956, 5192, 5208, 5456, 5487, 5544, 5841, 6138, 6608, 7161, 7316, 7434, 7788, 7812, 8184, 8496, 9086, 9548, 9912, 10384, 10416, 10974, 11088, 11682, 12276, 12803, 13629, 14322, 14632, 14868, 15576, 15624, 16368, 16461, 18172, 19096, 19824, 20119, 21483, 21948, 23364, 24552, 25606, 27258, 28644, 29264, 29736, 31152, 31248, 32922, 36344, 38192, 38409, 40238, 40887, 42966, 43896, 46728, 49104, 51212, 54516, 57288, 59472, 60357, 65844, 72688, 76818, 80476, 81774, 85932, 87792, 93456, 102424, 109032, 114576, 115227, 120714, 131688, 140833, 153636, 160952, 163548, 171864, 181071, 204848, 218064, 230454, 241428, 263376, 281666, 307272, 321904, 327096, 343728, 362142, 422499, 460908, 482856, 563332, 614544, 654192, 724284, 844998, 921816, 965712, 1126664, 1267497, 1448568, 1689996, 1843632, 2253328, 2534994, 2897136, 3379992, 5069988, 6759984, 10139976, 20279952]

約数ペア:

[(1, 20279952), (2, 10139976), (3, 6759984), (4, 5069988), (6, 3379992), (7, 2897136), (8, 2534994), (9, 2253328), (11, 1843632), (12, 1689996), (14, 1448568), (16, 1267497), (18, 1126664), (21, 965712), (22, 921816), (24, 844998), (28, 724284), (31, 654192), (33, 614544), (36, 563332), (42, 482856), (44, 460908), (48, 422499), (56, 362142), (59, 343728), (62, 327096), (63, 321904), (66, 307272), (72, 281666), (77, 263376), (84, 241428), (88, 230454), (93, 218064), (99, 204848), (112, 181071), (118, 171864), (124, 163548), (126, 160952), (132, 153636), (144, 140833), (154, 131688), (168, 120714), (176, 115227), (177, 114576), (186, 109032), (198, 102424), (217, 93456), (231, 87792), (236, 85932), (248, 81774), (252, 80476), (264, 76818), (279, 72688), (308, 65844), (336, 60357), (341, 59472), (354, 57288), (372, 54516), (396, 51212), (413, 49104), (434, 46728), (462, 43896), (472, 42966), (496, 40887), (504, 40238), (528, 38409), (531, 38192), (558, 36344), (616, 32922), (649, 31248), (651, 31152), (682, 29736), (693, 29264), (708, 28644), (744, 27258), (792, 25606), (826, 24552), (868, 23364), (924, 21948), (944, 21483), (1008, 20119), (1023, 19824), (1062, 19096), (1116, 18172), (1232, 16461), (1239, 16368), (1298, 15624), (1302, 15576), (1364, 14868), (1386, 14632), (1416, 14322), (1488, 13629), (1584, 12803), (1652, 12276), (1736, 11682), (1829, 11088), (1848, 10974), (1947, 10416), (1953, 10384), (2046, 9912), (2124, 9548), (2232, 9086), (2387, 8496), (2478, 8184), (2596, 7812), (2604, 7788), (2728, 7434), (2772, 7316), (2832, 7161), (3069, 6608), (3304, 6138), (3472, 5841), (3658, 5544), (3696, 5487), (3717, 5456), (3894, 5208), (3906, 5192), (4092, 4956), (4248, 4774), (4464, 4543)]